[idlharness.html] type: testharness [SensorErrorEvent interface: existence and properties of interface object] expected: FAIL [SensorErrorEvent interface object length] expected: FAIL [SensorErrorEvent interface object name] expected: FAIL [SensorErrorEvent interface: existence and properties of interface prototype object] expected: FAIL [SensorErrorEvent interface: existence and properties of interface prototype object's "constructor" property] expected: FAIL [SensorErrorEvent interface: attribute error] expected: FAIL [SensorErrorEvent must be primary interface of new SensorErrorEvent({ error: new TypeError("Boom!") });] expected: FAIL [Stringification of new SensorErrorEvent({ error: new TypeError("Boom!") });] expected: FAIL [SensorErrorEvent interface: new SensorErrorEvent({ error: new TypeError("Boom!") }); must inherit property "error" with the proper type (0)] expected: FAIL